From e2b1a4fe8e513726a6df8325d6bdc0d26b647639 Mon Sep 17 00:00:00 2001 From: Mike Fiore Date: Tue, 28 Oct 2014 17:49:51 -0500 Subject: mts-io: fix bug where cleanup() crashes if eeprom is empty make sure mts_io_platform_device is valid before dereferencing it --- io-module/mts_io.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/io-module/mts_io.c b/io-module/mts_io.c index 2d60a6d..cbf0637 100644 --- a/io-module/mts_io.c +++ b/io-module/mts_io.c @@ -507,8 +507,10 @@ static void cleanup(void) int port_index; log_info("cleaning up...."); - sysfs_remove_link(&mts_io_platform_device->dev.parent->kobj, "mtcdp"); - platform_device_unregister(mts_io_platform_device); + if (mts_io_platform_device) { + sysfs_remove_link(&mts_io_platform_device->dev.parent->kobj, "mtcdp"); + platform_device_unregister(mts_io_platform_device); + } for (port_index = 0, port = 1; port_index < NUM_AP; port_index++, port++) { if (port_info[port_index]) { port_info[port_index]->teardown(port); -- cgit v1.2.3